The led to the "War on terrorism

The War on Terror is the campaign launched by the United States of America in response to the September 11 attacks against organizations designated with terrorism. The campaign, whose stated objective was eliminating international terrorism, began in 2001.

Explanation:

f 5 , h

productive most commonly means: achieving or producing a significant amount or result.

explanation:

productive can also mean:

these depend on how the word productive is used. most likely productive will mean   achieving or producing a significant amount or result.